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- add option to disable TLSv1.3

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- Resolves: rhbz#2017705
This commit is contained in:
Artem Egorenkov 2021-10-27 14:51:18 +02:00
parent 28071690ce
commit 70e712403f
2 changed files with 102 additions and 1 deletions
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96
vsftpd-3.0.3-option_to_disable_TLSv1_3.patch Normal file
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@ -0,0 +1,96 @@
diff --git a/features.c b/features.c
index d024366..3a60b88 100644
--- a/features.c
+++ b/features.c
@@ -22,7 +22,7 @@ handle_feat(struct vsf_session* p_sess)
{
vsf_cmdio_write_raw(p_sess, " AUTH SSL\r\n");
}
- if (tunable_tlsv1 || tunable_tlsv1_1 || tunable_tlsv1_2)
+ if (tunable_tlsv1 || tunable_tlsv1_1 || tunable_tlsv1_2 || tunable_tlsv1_3)
{
vsf_cmdio_write_raw(p_sess, " AUTH TLS\r\n");
}
diff --git a/parseconf.c b/parseconf.c
index ee1b8b4..5188088 100644
--- a/parseconf.c
+++ b/parseconf.c
@@ -87,6 +87,7 @@ parseconf_bool_array[] =
{ "ssl_tlsv1", &tunable_tlsv1 },
{ "ssl_tlsv1_1", &tunable_tlsv1_1 },
{ "ssl_tlsv1_2", &tunable_tlsv1_2 },
+ { "ssl_tlsv1_3", &tunable_tlsv1_3 },
{ "tilde_user_enable", &tunable_tilde_user_enable },
{ "force_anon_logins_ssl", &tunable_force_anon_logins_ssl },
{ "force_anon_data_ssl", &tunable_force_anon_data_ssl },
diff --git a/ssl.c b/ssl.c
index b622347..3af67ad 100644
--- a/ssl.c
+++ b/ssl.c
@@ -185,6 +185,10 @@ ssl_init(struct vsf_session* p_sess)
{
options |= SSL_OP_NO_TLSv1_2;
}
+ if (!tunable_tlsv1_3)
+ {
+ options |= SSL_OP_NO_TLSv1_3;
+ }
SSL_CTX_set_options(p_ctx, options);
if (tunable_rsa_cert_file)
{
diff --git a/tunables.c b/tunables.c
index d8dfcde..dc001ac 100644
--- a/tunables.c
+++ b/tunables.c
@@ -68,6 +68,7 @@ int tunable_sslv3;
int tunable_tlsv1;
int tunable_tlsv1_1;
int tunable_tlsv1_2;
+int tunable_tlsv1_3;
int tunable_tilde_user_enable;
int tunable_force_anon_logins_ssl;
int tunable_force_anon_data_ssl;
@@ -218,8 +219,9 @@ tunables_load_defaults()
tunable_sslv3 = 0;
tunable_tlsv1 = 0;
tunable_tlsv1_1 = 0;
- /* Only TLSv1.2 is enabled by default */
+ /* Only TLSv1.2 and TLSv1.3 are enabled by default */
tunable_tlsv1_2 = 1;
+ tunable_tlsv1_3 = 1;
tunable_tilde_user_enable = 0;
tunable_force_anon_logins_ssl = 0;
tunable_force_anon_data_ssl = 0;
diff --git a/tunables.h b/tunables.h
index de6cab0..ff0eebc 100644
--- a/tunables.h
+++ b/tunables.h
@@ -69,6 +69,7 @@ extern int tunable_sslv3; /* Allow SSLv3 */
extern int tunable_tlsv1; /* Allow TLSv1 */
extern int tunable_tlsv1_1; /* Allow TLSv1.1 */
extern int tunable_tlsv1_2; /* Allow TLSv1.2 */
+extern int tunable_tlsv1_3; /* Allow TLSv1.3 */
extern int tunable_tilde_user_enable; /* Support e.g. ~chris */
extern int tunable_force_anon_logins_ssl; /* Require anon logins use SSL */
extern int tunable_force_anon_data_ssl; /* Require anon data uses SSL */
diff --git a/vsftpd.conf.5 b/vsftpd.conf.5
index 7006287..d181e50 100644
--- a/vsftpd.conf.5
+++ b/vsftpd.conf.5
@@ -587,7 +587,15 @@ Default: NO
Only applies if
.BR ssl_enable
is activated. If enabled, this option will permit TLS v1.2 protocol connections.
-TLS v1.2 connections are preferred.
+TLS v1.2 and TLS v1.3 connections are preferred.
+
+Default: YES
+.TP
+.B ssl_tlsv1_3
+Only applies if
+.BR ssl_enable
+is activated. If enabled, this option will permit TLS v1.3 protocol connections.
+TLS v1.2 and TLS v1.3 connections are preferred.
Default: YES
.TP

7
vsftpd.spec
View File

@ -2,7 +2,7 @@
Name: vsftpd
Version: 3.0.3
Release: 48%{?dist}
Release: 49%{?dist}
Summary: Very Secure Ftp Daemon
# OpenSSL link exception
@ -100,6 +100,7 @@ Patch70: fix-str_open.patch
# upstream commits 56402c0, 8b82e73
Patch71: vsftpd-3.0.3-enable_wc_logs-replace_unprintable_with_hex.patch
Patch72: vsftpd-3.0.3-ALPACA.patch
Patch73: vsftpd-3.0.3-option_to_disable_TLSv1_3.patch
%description
vsftpd is a Very Secure FTP daemon. It was written completely from
@ -171,6 +172,10 @@ mkdir -p $RPM_BUILD_ROOT/%{_var}/ftp/pub
%{_var}/ftp
%changelog
* Wed Oct 27 2021 Artem Egorenkov <aegorenk@redhat.com> - 3.0.3-49
- add option to disable TLSv1.3
- Resolves: rhbz#2017705
* Wed Oct 13 2021 Artem Egorenkov <aegorenk@redhat.com> - 3.0.3-48
- ALPACA fix backported from upstram 3.0.5 version
- Resolves: rhbz#1975648